<!DOCTYPE html>
<html>

<head>
	<meta charset="UTF-8">
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0">
</head>

<body>
	<script>
		//=>服务器端需要返回给A的信息都在window.name中存储着
		window.name = '信息';
	</script>
</body>

</html>